Ключевые слова: amazonite, azurite, black, bloodstone, bright, brown, calcite, chalcedony, citrine, close, collection, color, crystal, feldspar, gem, gemstone, geology, heliotrop, igneous, isolated, jadeite, jewelry, macro, margin, mineral, moonstone, mottled, natural, nature, object, pattern, pebble, piece, pink, precious, purple, quartz, red, rock, rose, rough, sample, semi, semi precious, semiprecious, set, shiny, silica, specimen, spotted, stone, translucent, up, white,